Plant these in the spring. Takes 4 days to mature. Parsnip Seeds are a seed that, when planted and grown during Spring, produces Parsnip after 4 days. Mayor Lewis will give you 15x Parsnip seeds ...

However, as every keen plant person knows ... and pops them inside her seed box to reduce humidity. Some seeds, such as parsnip, which will only last one year have very short lifespans.